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AKD4426 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AKD4426 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
6 / 28 page [AK4426] ANALOG CHARACTERISTICS (Ta = 25 °C; VDD=AVDD = +5.0V; fs = 44.1 kHz; BICK = 64fs; Signal Frequency = 1 kHz; 24bit Input Data; Measurement frequency = 20Hz ∼ 20kHz; RL ≥5kΩ) Parameter min typ max Units Resolution 24 Bits Dynamic Characteristics (Note 4) fs=44.1kHz, BW=20kHz -91 -84 dB fs=96kHz, BW=40kHz -91 - dB THD+N (0dBFS) fs=192kHz, BW=40kHz -91 - dB Dynamic Range (-60dBFS with A-weighted. (Note 5) 100 106 dB S/N (A-weighted. (Note 6) 100 106 dB Interchannel Isolation (1kHz) 90 100 dB Interchannel Gain Mismatch 0.2 0.5 dB DC Accuracy DC Offset (at output pin) -5 0 +5 mV Gain Drift 100 - ppm/ °C Output Voltage (Note 7) 2.05 2.2 2.35 Vrms Load Capacitance (Note 8) 25 pF Load Resistance 5 k Ω Power Supplies Power Supply Current: (Note 9) Normal Operation (fs ≤96kHz) Normal Operation (fs=192kHz) Power-Down Mode (Note 10) 24 27 10 36 40 100 mA mA μA Note 4. Measured by Audio Precision (System Two). Refer to the evaluation board manual. Note 5. 98dB for 16bit input data Note 6. S/N does not depend on input data size. Note 7. Full-scale voltage (0dB). Output voltage is proportional to the voltage of AVDD, AOUT (typ.@0dB) = 2.2Vrms × AVDD/5. Note 8. In case of driving capacitive load, inset a resistor between the output pin and the capacitive load. Note 9. The current into VDD and AVDD. Note 10. All digital inputs including clock pins (MCLK, BICK and LRCK) are fixed to VSS1(VSS2) or VDD(AVDD). MS1176-E-02 2011/03 - 6 - |
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